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Saving scale-up cost and effort and designing more effectively - Novel MBR concept


Finding optimal operational settings and reactor geometry

Maezawa Industries, Inc (Japan) is collaborating with us to 1) drastically reduce scale-up time, costs and effort and 2) shorten time to market. Their novel concept is operated with variable volumes and flow patterns and flow rates were very difficult to optimise based on trial and error. We have combined multiphase CFD (fine + coarse bubble aeration) with kinetics to have the 'real system' on our computer for fast design and experimentation.

Major findings

  • Five different full-scale designs were tested before implementation
  • One of the designs had superior performance (best effluent quality, with same input)

Membrane bioreactor (MBR) permeate quality as function of process design

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